package java基础.base;

/**
 * @projectName: JAVA编程
 * @package: PACKAGE_NAME
 * @className: base.Demo09
 * @author: IT_Jay
 * @description: TODO
 * @date: 2021/11/17 16:21
 */
public class Demo09 {

    //修饰符，不存在先后顺序  final static  。。。。
    static final double PI = 3.14;

    public static void main(String[] args) {
        System.out.println(PI);   //3.14
    }
}
